The Chelsea 660XRAHX-P3RF or 660XRAHXP3RF is a 660 Series Power Take-Off designed for medium to heavy duty applications on most popular 6-bolt manual transmissions, including Eaton/Fuller and Volvo/Mack units. The 660 Series delivers up to 375 lb-ft intermittent torque capacity and supports continuous operation with a 30% de-rating. A cast iron housing and tapered cone bearings on the output shaft contribute to the series' load-bearing capability and service life. Shift options include wire/cable and mechanical. Output configurations across the 660 Series include SAE A and SAE B pump flanges as well as driveline. Call us to confirm the exact output and ratio configuration for your application.
Features
Chelsea 660 Series Power Take-Off, part number 660XRAHX-P3RF or 660XRAHXP3RF
6-bolt mounting, fits most popular manual transmissions including Eaton/Fuller and Volvo/Mack
Up to 375 lb-ft intermittent torque capacity (508 Nm)
Cast iron housing with tapered cone bearings on output shaft for high load capacity
Wire/cable and mechanical shift options available in the 660 Series
Supports continuous operation with 30% de-rating; output power up to 56+ HP
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Fit: Most popular manual 6-bolt transmissions (Eaton/Fuller, Volvo/Mack, and others)
- Intermittent Torque Capacity: 375 lb-ft (508 Nm)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Shift Type: Wire/Cable or Mechanical
- Output Types (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Housing Material: Cast iron
- Bearing Type: Tapered cone bearings on output shaft
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 660 Series is suited for aerial devices, dump trucks, service trucks, snow and ice removal equipment, and blower and product pump applications. The series offers twenty-six output options, including Chelsea's 360-degree rotatable flange for pump fitment flexibility, four internal speed ratios, and ten shift options. Parker Chelsea documents covering this series include the 660 Series Parts List (HY25-2660-M1_US), the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, and the 660 Series Sales Literature. Call Pro Gear and Transmission to confirm the specific output, ratio, and shift configuration for part number 660XRAHX-P3RF and your transmission.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
